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Replacing thermastat
bigjimusmc69
Jan 7, 2009, 10:46 AM
I have a Honeywell RTH110B thermastat in the wiring there are 4 slots my old thermastat has 5 lines what do I do?
dac122
Jan 7, 2009, 02:04 PM
What was the old tstat and what colors were hooked to which terminals on it?